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[ARM] Refine selection of ISA_DMA_API and generic dma.c code
authorRussell King <rmk@dyn-67.arm.linux.org.uk>
Wed, 4 Jan 2006 15:44:16 +0000 (15:44 +0000)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 4 Jan 2006 15:44:16 +0000 (15:44 +0000)
commit065909b91581cf2438d901a7811a82af3476bdab
treea6fabd1ff672791c0f83332a55b85a94736b1de6tree | snapshot
parentd4c6fc9976dd70a27abc988ddbd6a746c1dba0a7commit | diff
[ARM] Refine selection of ISA_DMA_API and generic dma.c code

ISA_DMA_API tells the rest of the kernel if the ISA DMA API is
available.  Select this symbol only on machine types which make
use of the ISA DMA API.

Make building of arch/arm/kernel/dma.c depend on this symbol -
if a machine does not support the ISA DMA API, it's pointless
building this file.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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